CVE-2026-41344 - OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter

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MEDIUM

OpenClaw < 2026.3.28 - Privilege Escalation via chat.send /verbose Parameter

Published Apr 23, 2026

5.3

MEDIUM

CVSS 4.0

EPSS 0.39%

Description

OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the chat.send endpoint that allows write-scoped gateway callers to persist admin-only verboseLevel session overrides. Attackers can exploit the /verbose parameter to bypass access controls and expose sensitive reasoning or tool output intended to be restricted to administrators.

Affected products

Vendor OpenClaw Product OpenClaw Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <2026.3.28
- Version
  2026.3.28
  Status
  unaffected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

OpenClaw

unaffected

Version	Status	Constraints
0	affected	<2026.3.28
2026.3.28	unaffected	-

Ecosystem	Package	Introduced	Fixed
npm	openclaw	0	2026.3.28

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-284

CWE-863

Incorrect Authorization

References (6)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25328
Advisory
https://github.com/advisories/GHSA-5h2w-qmfp-ggp6
Advisory
https://github.com/openclaw/openclaw/commit/c6031235288a8d3bdf2243bd974340d8c8045bc2
https://github.com/openclaw/openclaw/security/advisories/GHSA-5h2w-qmfp-ggp6
vendor-advisoryVendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-41344
https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-chat-send-verbose-parameter
third-party-advisoryThird Party Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-25328		Advisory
https://github.com/advisories/GHSA-5h2w-qmfp-ggp6		Advisory
https://github.com/openclaw/openclaw/commit/c6031235288a8d3bdf2243bd974340d8c8045bc2
https://github.com/openclaw/openclaw/security/advisories/GHSA-5h2w-qmfp-ggp6		vendor-advisoryVendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-41344
https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-chat-send-verbose-parameter		third-party-advisoryThird Party Advisory